Title:
ＲＦ通信システム
Document Type and Number:
Japanese Patent JP7332329
Kind Code:
B2
Abstract:
To allow a RF communication system to extend a communication distance with a simple means and to enhance degree of freedom in arrangement of a reader-side device.SOLUTION: A RF communication system according to an embodiment of the present invention has a reader, a first coil provided within a communication range of the reader, and a second coil connected to the first coil. The reader and the first coil are disposed so as to be disposed on an opposite side of the second coil with respect to a partition wall. The reader is arranged so that it can detect change of a magnetic field around the second coil caused by intrusion of a RF tag into the communication range of the second coil.SELECTED DRAWING: Figure 1
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Inventors:
Koji Kashiwazaki
Toshihiro Komagome
Akira Sekino
Masashi Karimata
Toshihiro Komagome
Akira Sekino
Masashi Karimata
Application Number:
JP2019085132A
Publication Date:
August 23, 2023
Filing Date:
April 26, 2019
Export Citation:
Assignee:
Maekawa Manufacturing Co., Ltd.
International Classes:
G06K7/10; G06K19/07; H04B5/02
Domestic Patent References:
| JP2008033765A | ||||
| JP2007259442A | ||||
| JP2009070163A | ||||
| JP2008107888A | ||||
| JP2006148289A | ||||
| JP2011516996A | ||||
| JP2007248587A |
Foreign References:
| US20080191961 |
Attorney, Agent or Firm:
SSIP Patent Attorney Corporation